40124646 has 24 divisors (see below), whose sum is σ = 90157704. Its totient is φ = 13374720.

The previous prime is 40124621. The next prime is 40124681. The reversal of 40124646 is 64642104.

40124646 is a `hidden beast` number, since 4 + 0 + 12 + 4 + 646 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40795 + ... + 41766.

It is an arithmetic number, because the mean of its divisors is an integer number (3756571).

Almost surely, 2^40124646 is an apocalyptic number.

40124646 is an abundant number, since it is smaller than the sum of its proper divisors (50033058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40124646 is an equidigital number, since it uses as much as digits as its factorization.

40124646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82578 (or 82566 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40124646 is about 6334.4017870672. The cubic root of 40124646 is about 342.3500570862.

The spelling of 40124646 in words is "forty million, one hundred twenty-four thousand, six hundred forty-six".